乙型肝炎是我国的高发及常见病 ,1 0 %以上转变为慢性肝炎 ,部分演变为肝硬变 .乙肝病毒 (ＨＢＶ)也是肝癌诱发因子 ,近年来研究认为乙型肝炎病毒前Ｓ1蛋白抗体(抗 -ＨＢＶＰｒｅＳ1 )与乙肝转归等有密切关系[1,2 ] .采用ＥＩＡ的方法检测 1 40例各类临床分型乙肝病人及 6 0例 Hepatitis B is a high incidence and common disease in our country, more than 10% is transformed into chronic hepatitis, and some of it is cirrhosis.Hepatitis B virus (HBV) is also a hepatocellular carcinoma inducing factor, and in recent years, it is thought that hepatitis B virus preS1 protein antibody Anti-HBVPreS1) is closely related to the outcome of hepatitis B. [1,2] The EIA method was used to detect 140 cases of various clinical types of hepatitis B patients and 60 cases